B747 (Boeing 747)

The Boeing 747 is a long-range, wide-body airliner designed to lift large numbers of passengers or heavy cargo loads on transcontinental flights. It is in widespread civil aviation service, but only in limited military service.

The low wing has 37-1/2 degree sweep at the quarter-chord and 7-degree dihedral from the root. Each wing has a profusion of high-lift devices on the leading and trailing edges.

Three sections of Krueger flaps are located inboard of the inner engine and 10...